Delta Prime Males have proud to be able satisfying their partners in the bed. However many things may hinder this sexuality or sexual potency among males. Below are some common contributing factors for male sexual dropdown due to reduced male sexual hormone- Existing sleeping problem or insomnia-Male testosterone level is greatly linked with the quality of sleep among individuals. Males who have sleep problem or more often suffer from insomnia develop high rate of male sexual failure in the bed. If you to experience the problem frequently, you should be concerned about your sleep immediately.